Specification:

Bluetooth version：V5.1

Speaker size：Ø13.0mm

Frequency response：20Hz-20KHz

Sensitivity：90±3db

BT range：≥10 m

Battery capacity：

earbuds 30mAh, charging case 240mAh

Playing time：5H

Total play time(earbuds+charging case)：

around 18H

Standby time：30H

Charging time: earbuds 1H, charging case 1H